Perfect Square
55813395977664740496 is a perfect square (7470836364 × 7470836364)
55813395977664740496 is a perfect square (7470836364 × 7470836364)
55813395977664740496 is even
Previous even number is 55813395977664740494
Next even number is 55813395977664740498
173866272798393290966148071538435150327985651777694949543936
110000011010010001000000111110110111111100111011000011110010010000